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/****************************************************************************************/
/* */
/* This program is free software; you can redistribute it and/or modify it under the */
/* terms of the GNU General Public License as published by the Free Software */
/* Foundation; either version 2 of the License, or (at your option) any later version. */
/* */
/* This program is distributed in the hope that it will be useful, but WITHOUT ANY */
/* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A */
/* PARTICULAR PURPOSE. See the GNU General Public License for more details. */
/* */
/* You should have received a copy of the GNU General Public License along with this */
/* program; (See "COPYING"). If not, If not, see <http://www.gnu.org/licenses/>. */
/* */
/*--------------------------------------------------------------------------------------*/
/* */
/* Copyright Joerg Anders, TU Chemnitz, Fakultaet fuer Informatik, GERMANY */
/* ja@informatik.tu-chemnitz.de */
/* */
/* */
/****************************************************************************************/
#include "octavation.h"
#include "linepoint.h"
#include "page.h"
#include "staff.h"
#include "chordorrest.h"
#include "system.h"
#include "volumedialog.h"
#include <math.h>
#define X_POS_PAGE_REL(sp, p) ((sp->m_element->getPage()->getContentXpos() + (p)) * zoom_factor - leftx)
#define X_PAGE_POS_PAGE_REL(page, p) (((page)->getContentXpos() + (p)) * zoom_factor - leftx)
#define Y_POS_PAGE_REL(p) ((p) * zoom_factor - topy)
static double dash_array[2] = {1.0, 3.0};
NedOctavation::NedOctavation(NedLinePoint *start, NedLinePoint *end, int sub_type) :
NedLine(start, end), m_octave_dist(1) {
switch(sub_type) {
case LINE_OCTAVATION_1: m_octave_dist = -1; break;
case LINE_OCTAVATION2: m_octave_dist = 2; break;
case LINE_OCTAVATION_2: m_octave_dist = -2; break;
}
}
NedOctavation::NedOctavation(NedLinePoint *start, NedLinePoint *end, NedLinePoint *dummy, int octave_shift) :
NedLine(start, end), m_octave_dist(1) {
switch(octave_shift) {
case -12: m_octave_dist = -1; break;
case 24: m_octave_dist = 2; break;
case -24: m_octave_dist = -2; break;
}
}
#define OCTAVIATION_THICK 0.03
#define OCT_SIGN_LENGTH1 0.5
#define OCT_SIGN_LENGTH2 0.8
void NedOctavation::draw(cairo_t *cr, double leftx, double topy, double zoom_factor, int zoom_level) {
double ypos1;
NedStaff *staff;
GList *lptr, *last;
cairo_glyph_t glyph;
double sign_length = OCT_SIGN_LENGTH1;
if (!m_allow_drawing) return;
cairo_new_path(cr);
switch (m_octave_dist) {
case 1: glyph.index = BASE + 41; break;
case -1: glyph.index = BASE + 42; break;
case 2: glyph.index = BASE + 43;
sign_length = OCT_SIGN_LENGTH2;
break;
case -2: glyph.index = BASE + 44;
sign_length = OCT_SIGN_LENGTH2;
break;
}
glyph.x = X_POS_PAGE_REL(m_line_start_point, m_start_x);
glyph.y = Y_POS_PAGE_REL(m_start_y);
cairo_show_glyphs(cr, &glyph, 1);
cairo_new_path(cr);
cairo_stroke(cr);
cairo_set_line_width(cr, zoom_factor * OCTAVIATION_THICK);
cairo_set_dash(cr, dash_array, 2, 0.0);
if (m_distributed) {
if ((lptr = g_list_first(m_intermediate_staves)) == NULL) {
NedResource::Abort("NedOctavation::draw: error 1");
}
last = g_list_last(m_intermediate_staves);
staff = (NedStaff *) lptr->data;
cairo_new_path(cr);
cairo_move_to(cr, X_PAGE_POS_PAGE_REL(staff->getPage(), m_start_x), Y_POS_PAGE_REL(m_start_y));
cairo_line_to(cr, X_PAGE_POS_PAGE_REL(staff->getPage(), staff->getSystemEnd()), Y_POS_PAGE_REL(m_start_y));
cairo_stroke(cr);
for (lptr = g_list_next(lptr); lptr != last; lptr = g_list_next(lptr)) {
staff = (NedStaff *) lptr->data;
ypos1 = staff->getSystem()->getYPos() + staff->getMidPos() + m_line_start_point->getYposRelative();
cairo_new_path(cr);
cairo_move_to(cr, X_PAGE_POS_PAGE_REL(staff->getPage(), staff->getSystemStart()), Y_POS_PAGE_REL(ypos1));
cairo_line_to(cr, X_PAGE_POS_PAGE_REL(staff->getPage(), staff->getSystemEnd()), Y_POS_PAGE_REL(ypos1));
cairo_stroke(cr);
}
staff = (NedStaff *) lptr->data;
ypos1 = staff->getSystem()->getYPos() + staff->getMidPos() + m_line_start_point->getYposRelative();
cairo_new_path(cr);
cairo_move_to(cr, X_PAGE_POS_PAGE_REL(staff->getPage(), staff->getSystemStart()), Y_POS_PAGE_REL(ypos1));
cairo_line_to(cr, X_PAGE_POS_PAGE_REL(staff->getPage(), m_end_x), Y_POS_PAGE_REL(ypos1));
cairo_stroke(cr);
}
else {
cairo_move_to(cr, X_POS_PAGE_REL(m_line_start_point, m_start_x + sign_length), Y_POS_PAGE_REL(m_start_y));
cairo_line_to(cr, X_POS_PAGE_REL(m_line_end_point, m_end_x), Y_POS_PAGE_REL(m_start_y));
cairo_stroke(cr);
}
cairo_set_dash(cr, dash_array, 0, 0.0);
}
int NedOctavation::getLineType() {
switch (m_octave_dist) {
case 1: return LINE_OCTAVATION1;
case -1: return LINE_OCTAVATION_1;
case 2: return LINE_OCTAVATION2;
}
return LINE_OCTAVATION_2;
}
int NedOctavation::getPitchOffset() {
switch (m_octave_dist) {
case 1: return 12;
case -1: return -12;
case 2: return 24;
}
return -24;
}
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